Macaroni Salad

8 oz uncooked macaroni, elbow 1/2 cup reduced-calorie mayonnaise 1 tablespoon red wine vinegar 1 teaspoon Dijon mustard 1/2 teaspoon garlic powder 1 cup celery, chopped 1/3 cup red onions, finely chopped 2 tablespoons parsley, fresh, chopped 1/4 teaspoon table...